package zengqiang.day03

fun main(args: Array<String>) {

}
class Person3(var name:String,var age:Int){
    var phone:Int=0

    /**
     * 其实就类似于构造函数的重载
     */
    constructor(name: String, age: Int, phone: Int) : this(name, age){
        this.phone=phone
    }

}